Hi guys, i am moving to a new address that's served by optimum online. For TV, i want to get the cheapest package (just basic channels + their HD counterparts).
The prime mover for flexion of the shoulder muscles used are the following: 1  Pectoralis Major Clavicle. 2  Anterior Deltoid. 3  Biceps Brachii Short Head. 4  Coracobrachialis.
Pectoralis Major. The petoralis major is a large, strong muscle that produces shoulder flexion. It is located in the front of the chest and attaches by tendon to the humerus, or upper arm bone.ectoralis Major. The petoralis major is a large, strong muscle that produces shoulder flexion. It is located in the front of the chest and attaches by tendon to the humerus, or upper arm bone.